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Skills measured
- Integrate an Azure Cosmos DB solution (5–10%)
- Design and implement data distribution (5–10%)
- Design and implement data models (35–40%)
- Optimize an Azure Cosmos DB solution (15–20%)
- The English language version of this exam will be updated on August 4, 2022. Please download the exam skills outline below to see what’s changing.
- Maintain an Azure Cosmos DB solution (25–30%)
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Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/dp-420?WT.mc_id=Azure_blog-wwl
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Microsoft DP-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Design and implement data models | 35-40% | - Implement connectivity and data access
- 1. Write efficient SQL queries
- 2. Use SDKs to connect and operate
- Design partitioning strategy
- 1. Plan for distribution and throughput
- 2. Choose partition key based on workload
- Plan sizing and scaling
- 1. Select consistency levels
- 2. Provision throughput and storage
- Design and implement non-relational data models
- 1. Define primary and unique keys
- 2. Identify data and access patterns
- 3. Configure time-to-live (TTL)
- 4. Embed related entities in documents
- 5. Denormalize data across documents
- 6. Reference between documents
- 7. Store multiple entity types in one container
|
| Topic 2: Optimize an Azure Cosmos DB solution | 15-20% | - Work with change feed
- 1. Trigger downstream workflows
- 2. Process changes incrementally
- Define and implement indexing strategy
- 1. Select index types and paths
- 2. Exclude or include properties
- Optimize query performance
- 1. Optimize throughput allocation
- 2. Tune query structure and syntax
|
| Topic 3: Integrate an Azure Cosmos DB solution | 5-10% | - Integrate with Azure services
- 1. Use with Azure Functions, Logic Apps, Event Hubs
- 2. Connect to Azure Stream Analytics
- Enable analytical workloads
- 1. Configure analytical store
- 2. Use Synapse Link
|
| Topic 4: Maintain an Azure Cosmos DB solution | 25-30% | - Implement backup and restore
- 1. Perform point-in-time restore
- 2. Configure periodic backup
- Manage data movement
- 1. Migrate between APIs or regions
- 2. Import/export data
- DevOps and automation
- 1. Automate operations
- 2. Deploy via ARM, Bicep, CLI
- Monitor and troubleshoot
- 1. Analyze metrics and logs
- 2. Use Azure Monitor and Application Insights
- Implement security
- 1. Encrypt data at rest and in transit
- 2. Manage authentication and authorization
|
| Topic 5: Design and implement data distribution | 5-10% | - Manage data distribution and failover
- 1. Define failover priorities
- 2. Manage regional availability
- Design replication strategy
- 1. Configure multi-region replication
- 2. Implement multi-region write
|